d2att: add I747UCUEMJB as valid bootloader

Change-Id: I2f48ec5e8edead164a03ddbac9c839844ea3c50a
Add I747UCUEMJ2 as an allowed bootloader

Change-Id: Id0f244796f9d8adb16b7c5e6fe2f90736f08583e
add I747MVLUEMK5 as valid bootloader

Change-Id: Ibf67fbc0821352d8ea03093dd19f83951c394e93
Merge branch 'cm/cm-11.0'